Analysis of the THES Rankings

The Australian has an outstanding short article on the THES rankings by Professor Simon Marginson of the University of Melbourne here.

An extract is provided below.

Methodologically, the index is open to some criticism. It is not specified who is surveyed or what questions are asked. The student internationalisation indicator rewards entrepreneurial volume building but not the quality of student demand or the quality of programs or services. Teaching quality cannot be adequately assessed using student-staff ratios. Research plays a lesser role in this index than in most understandings of the role of universities. The THES rankings reward a university's marketing division better than its researchers. Further, the THES index is too easily open to manipulation. By changing the recipients of the two surveys, or the way the survey results are factored in, the results can be shifted markedly.

This illustrates the more general point that rankings frame competitive market standing as much or more than they reflect it.

Results have been highly volatile. There have been many sharp rises and falls, especially in the second half of the THES top200 where small differences in metrics can generate large rankings effects. Fudan in China has oscillated between 72 and 195, RMIT in Australia between 55 and 146. In the US Emory has risen from 173 to 56 and Purdue fell from 59 to 127. They must have let their THES subscriptions lapse.

Second, the British universities do too well in the THES table. They have done better each successive year. This year Cambridge and Oxford suddenly improved their performance despite Oxford's present problems. The British have two of the THES top three and Cambridge has almost closed the gap on Harvard. Yet the British universities are manifestly under-funded and the Harvard faculty is cited at 3 1/2 times the rate of its British counterparts. It does not add up. But the point is that it depends on who fills out the reputational survey and how each survey return is weighted.

Third, the performance of the Australian universities is also inflated.

Despite a relatively poor citation rate and moderate staffing ratios they do exceptionally well in the reputational academic survey and internationalisation indicators, especially that for students. My university, Melbourne, has been ranked by the 3703 academic peers surveyed by the THES at the same level as Yale and ahead of Princeton, Caltech, Chicago, Penn and University of California, Los Angeles. That's very generous to us but I do not believe it.